An orgy consisting of a greasy "wad" comprised of several consenting individuals engaged in the act of sexual intercourse.
I'll never be the same after walking in on my mom and dad having a gombu with the neighbors.
by Horatio January 8, 2005
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Extremely large, gigantic, huge
Once you see a pair of gombus porcupines engaged in sexual intercourse you’ll never be able to unsee it again.
by Jakeobob January 1, 2020
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Mick: I think that terrorism is fun.

Dan: frick you, you're a gombus.
by Sharkz are cool™ May 15, 2023
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